April marks 20 years since the FBI brought charges against 14 Chicago mob figures in "Operation Family Secrets," cracking open decades of unsolved murders. Key testimony came from Frank Calabrese Jr., ...

CHICAGO -- Robberies are "scores," criminal charges "beefs" and getting sent to prison "going away" in the language of witnesses testifying at Chicago's biggest mob trial in years. Jurors have heard ...

Experts told NBC 5 Investigates that while there may be some remnants of the mob still present in the Chicago area, it's not what it used to be. "The FBI here in Chicago still considers the Outfit ...

The question of who killed Sam Giancana, an assassination long considered one of Chicago's biggest hits, has long gone unanswered -- until now. The answer behind his assassination is the Chicago ...

CHICAGO (WLS) -- This is the story you haven't heard: Kurt Calabrese. He was silent through the trial, watching his father go down on racketeering charges based largely on the testimony of his uncle ...